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Weighted-Average Shares (Tables) | 6 Months Ended
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Jul. 01, 2018
Earnings Per Share [Abstract] |
Calculation of Weighted-Average Shares | Weighted-average shares were calculated as follows (in thousands):
| Three-months Ended |  | Six-months Ended
| July 1, 2018 |  | July 2, 2017 |  | July 1, 2018 |  | July 2, 2017
Basic weighted-average common shares outstanding | 172,370 |  |  | 173,278 |  |  | 172,825 |  |  | 172,960 |
Effect of dilutive stock options | 4,779 |  |  | 5,950 |  |  | 5,593 |  |  | 5,944 |
Weighted-average common and common-equivalent shares outstanding | 177,149 |  |  | 179,228 |  |  | 178,418 |  |  | 178,904 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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